946143166439 has 4 divisors (see below), whose sum is σ = 946145678160. Its totient is φ = 946140654720.

The previous prime is 946143166429. The next prime is 946143166483. The reversal of 946143166439 is 934661341649.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 946143166439 - 2²⁰ = 946142117863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (946143166429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563642 + ... + 1486599.

It is an arithmetic number, because the mean of its divisors is an integer number (236536419540).

Almost surely, 2^946143166439 is an apocalyptic number.

946143166439 is a deficient number, since it is larger than the sum of its proper divisors (2511721).

946143166439 is a wasteful number, since it uses less digits than its factorization.

946143166439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511720.

The product of its digits is 10077696, while the sum is 56.

The spelling of 946143166439 in words is "nine hundred forty-six billion, one hundred forty-three million, one hundred sixty-six thousand, four hundred thirty-nine".